#include<iostream>
#include<string>
#include<iomanip>
#include<cmath>
#include<vector>
#include<algorithm>

using namespace std;

#define int long long
#define rep(i,n) for(int i = 0; i < (n); i++)
#define INF ((long long)1e18)
#define MOD ((int)1e9+7)
#define endl "\n"

#define yn(f) ((f)?"Yes":"No")
#define YN(f) ((f)?"YES":"NO")

#define MAX

signed main(){
	cin.tie(0);
	ios::sync_with_stdio(false);
	cout<<fixed<<setprecision(10);
	
	int N, M, A, con = 0;
	
	cin>>N>>M;
	for(int i = 0, sum = 0; i <= N; i++){
		if(i < N)cin>>A;
		if((A%2 == 0 || i == N)&& sum && con >= M) cout<<sum<<endl;
		if(A%2) sum += A, con++;
		else sum = 0, con = 0;
	}
	
	
	
	return 0;
}